Metrology
Weighing, dosing and control tech
B
+L Industrial Measurements is a designer and manufacturer of innovative, high specification
bore. Then, they can characterise the peaks and troughs as a number using skewness (RSK) and determine whether this is positive or negative. Automotive manufacturers will often use three or four characteristics, including Rz and response surface methodology (RSM). There are two methods of finish measurement -
skidded and skidless. Skidded stylus systems are ideal for simple measurement of high-frequency surface roughness, while skidless technologies are better for low-frequencies ripples, waviness and surface profiles. For example, the Jenoptik Waveline W5 features a skid situated by a stylus. The skid drags along the surface to remove the need for a straightness reference, removing added costs. The system can measure up to 28 parameters and includes a changeable probe and guide system for adaptability.
Data collection
Most engineering drawings specify the required dimensions and surface texture of turned parts. Following measurement, manufacturers can compare their system’s output against the initial spec to determine compliance. Despite its importance, most manufacturers don’t tend to gather their surface roughness data or store it effectively. It is often treated as a tick-box exercise and, providing it’s within spec, many don’t give it a second look. However, automated solutions can help manufacturers
gather surface roughness data and export it easily. For example, using High QA Inspection Manager, they can scan entire drawings, or multiple pages, in one click and automatically extract surface roughness data. The process is fully automated, enabling total traceability. The automotive industry has come a long way from
tight cylinder bores, but surface roughness is still as important as it ever was. Knowing how to measure surface characteristics accurately and then capture this data is vital for ensuring part efficiency and functionality.
The Sempre Group
www.thesempregroup.com Instrumentation Monthly August 2022
weighing, dosing and control technology solutions. Represented in the UK by measurement specialist Ixthus Instrumentation, B+L’s comprehensive range of weighing controllers, modular systems and extensive support software is well proven across demanding process weighing tasks in filling and bagging, bulk loading, check weighing, process weighing, dispensing, silo and tank weighing and more. B+L’s products are characterised by high precision and exacting repeatability even under arduous machine conditions where weighing scale vibration or fluctuating load properties are present. With straightforward and flexible link-up to PLCs, PCs and other controllers via a wide choice of process fieldbus interfaces, the range variously meets legal metrology standards and offers high operational reliability, ensuring maximum machine availability through comprehensive monitoring functions and diagnostic tools. Ixthus Instrumentation has many years of experience supplying B+L’s high specification weighing systems, having covered several demanding applications for much of the German manufacturer’s 50 years in the business. As an example of B+L’s product range,
the dataPond 3F dosing/filling controller is aimed at fast filing and bagging processes in high performance machines and impresses with an extended scope of functions, local operation or fieldbus, and web-server functionality. Controlling and monitoring the entire process for dosing, filling and bagging of granulates, free- flowing solids or liquids, the controller’s 220 parameters sets help to ensure accurate performance at cycle rates of over 2,000 fills per hour. The industry approved dataPond 3F fully meets the requirements of legal metrology for legal- and non-legal-for-trade categories R 61, R 51, R 107, and R 76. With up to four connected load cells, the weighing controller can accommodate almost any control environment through its complement of 16 digital I/Os, Ethernet interface and Modbus protocol with optional Profibus, Profinet or EtherNet/IP fieldbus interfaces and further protocols on request. Other impressive weighing
controllers from B+L include the miniPond 3F dosing/filling controller for medium to high speeds. Offering many of the features of the dataPond 3F this
unit maintains offers a competitive solution for integration into Industry 4.0 related production machines where its extensive fieldbus capability is easily adapted, for example for condition monitoring applications at the local level or in the cloud. The miniPond 3P is aimed at process
automation and takes over all control tasks associated with legal metrology. Its integrated time-optimised dosing process manages all time-critical process tasks - relieving the higher-level control system to enable more extensive and faster machine operation. The miniPond 3P is also well suited to loading and unloading tasks. For checkweighing tasks, the miniPond 3C controller manages weighing and classification at high speeds and high accuracy. Other weighing controllers are available for specific applications in dispensing and continuous feeding as well as silo and tank weighing. Ixthus Instrumentation, through its
close association with B+L also offers sales and full support of modular systems for large scale production where several individual weighing controllers can be coordinated. For example, the CT3 central operator terminal can parameterise and monitor up to 16 miniPond 3F and dataPond 3F filling controllers with different filling requirements and materials. The touchscreen controller can individually address, configure and remote-control each sprout saving time and cost for complex production lines such as rotopackers and inline packers.
Ixthus Instrumentation
www.ixthus.co.uk
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